Deck 8: Grounding of Specific Equipment

Question 1

The service equipment for mobile homes must be located within sight of, and not more than ____ from, the exterior wall of the mobile home it serves.

A) 15 feet
B) 20 feet
C) 30 feet
D) 40 feet

Answer 1

C

Question 2

Studies suggest that dairy cattle tend to release more milk in response to voltage differences on exposed conductive surfaces of even a few volts.

Answer 2

False

Question 3

"Patient Care Vicinity" is defined as a space within a location intended for the examination and treatment of patients, extending _______ beyond the normal location of the patient bed, chair, table, treadmill, or other device that supports the patent and extending vertically to ________ above the floor.

A) 6 feet, 7-1/2 feet
B) 5 feet, 6 feet
C) 7-1/2 feet, 6 feet
D) 6 feet, 9 feet

Answer 3

A

Question 4

Ungrounded conductors are permitted to be marked with any color other than white, gray, or green.

Question 5

____________________ cable has a bare 16 AWG aluminum bonding strip installed between the conductors and the outer armor and is in intimate contact with the armor for the full length of the cable.

Question 6

____ locations are those that are hazardous because of the presence of combustible dust.

A) Class I
B) Class II
C) Class III
D) Class IV

Question 7

____ grounding paths are required to be provided to ensure one effective ground-fault current path is available and functional in patient care areas.

A) Two
B) Three
C) Four
D) Five

Question 8

Unlisted liquidtight flexible metal conduit may be used as an equipment grounding conductor.

Question 9

____ locations are those in which flammable gases or vapors are or may be present in the air in quantities sufficient to produce explosive or ignitable mixtures.

A) Class I
B) Class II
C) Class III
D) Class IV

Question 10

____________________ cable consists of one or more current-carrying conductors, one or more equipment grounding conductors if required, and in some cases optical fibers.